*{
	margin:0;
	padding:0;
}

img{
	display:block;
	border:none;
}

body{
	background-color:darkgray;
}

.lunbo{
	width:900px;
	height:250px;
	border:5px solid white;
	margin: 50px auto;
	margin-bottom:0;
	position:relative;
}

.lunbo .list .item{
	width:900px;
	height:250px;
	list-style:none;
	position:absolute;
	left:0;
	top:0;
	opacity: 0;
}

.lunbo .list .item:nth-child(1){
	opacity:1;
}

.lunbo .list .item img{
	width:900px;
	height:250px;
}

.lunbo .prev,.lunbo .next{
	position:absolute;
	top:100px;
	border:1px solid white;
	background-color:rgba(255,255,255,.5);
	border-radius: 30px;
	width:40px;
	height:30px;
	cursor:pointer;
}

.lunbo .prev:hover,.lunbo .next:hover{
	background-color:white;
	color:black;
}

.lunbo .next{
	right:0;
}

.lunbo .list1{
	width:200px;
	height:20px;
	background-color:rgb(255,255,255,.5);
	border:1px solid white;
	border-radius: 50px;
	position:absolute;
	bottom:40px;
	left:360px;
}
.lunbo .list1 .item1,.focus{
	list-style:none;
	float:left;
	width:50px;
	height:20px;
	text-align:center;
	line-height:20px;
	cursor: pointer;
	border-radius: 50px;
}

.lunbo .list1 .item1:hover{
	background-color:white;
	color:black;
	border-radius: 50px;
}

.focus{
	background-color:white;
}
